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Cangzhou,Hebei,China China
連絡先担当者 Yan Li
住所 Cangzhou, Hebei
China Rock Drill Bits 1. All sizes 2. All qualities available & with reasonable price 3. Reliable quality and best service
Tungsten Carbide Insert Bits 1. All sizes available, can be customized 2. Superior Performance 3. Lower Cost
API 8 1/2" tci diamond bits 1.Inserted teeth bit 2.Medium formation use 3.Metal sealed journal bearing 4.Gauge protection
1.Good wear-resistance. 2.Tungsten carbide hardfacting on tooht surgace. 3.Better steel and longer stable drilling hours. 4.Optimized profile
Bit is designed for drilling of oil and gas wells in very soft formations such as clay, shale, chalk, gypsum, rock salt, soft shale, and soft limeston
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